spiracle
n . 呼吸孔,气孔,喷水孔
呼吸孔,气孔,喷水孔
spiracle n 1 :
a breathing orifice Spiracle \
Spir "
a *
cle \,
n .[
L .
spiraculum ,
fr .
spirare to breathe :
cf .
F .
spiracule .
See {
Spirit }.]
1 . (
Anat .)
The nostril ,
or one of the nostrils ,
of whales ,
porpoises ,
and allied animals .
[
1913 Webster ]
2 . (
Zool .)
(
a )
One of the external openings communicating with the air tubes or tracheae of insects ,
myriapods ,
and arachnids .
They are variable in number ,
and are usually situated on the sides of the thorax and abdomen ,
a pair to a segment .
These openings are usually elliptical ,
and capable of being closed .
See Illust .
under {
Coleoptera }.
(
a )
A tubular orifice communicating with the gill cavity of certain ganoid and all elasmobranch fishes .
It is the modified first gill cleft .
[
1913 Webster ]
3 .
Any small aperture or vent for air or other fluid .
[
1913 Webster ]
75 Moby Thesaurus words for "
spiracle ":
air duct ,
air hole ,
air passage ,
air shaft ,
air tube ,
airway ,
armhole ,
avenue ,
blowhole ,
breathing hole ,
bullet -
hole ,
bunghole ,
channel ,
chute ,
cringle ,
deadeye ,
debouch ,
door ,
egress ,
emunctory ,
escape ,
estuary ,
exhaust ,
exit ,
eye ,
eyelet ,
floodgate ,
flume ,
gasket ,
grommet ,
guide ,
keyhole ,
knothole ,
loop ,
loophole ,
louver ,
louverwork ,
manhole ,
mousehole ,
naris ,
nostril ,
opening ,
out ,
outcome ,
outfall ,
outgate ,
outgo ,
outlet ,
peephole ,
pigeonhole ,
pinhole ,
placket ,
placket hole ,
pore ,
port ,
porthole ,
punch -
hole ,
sally port ,
shaft ,
sluice ,
spilehole ,
spout ,
tap ,
touchhole ,
transom ,
vent ,
ventage ,
venthole ,
ventiduct ,
ventilating shaft ,
ventilator ,
vomitory ,
way out ,
weir ,
wind tunnel
安装中文字典英文字典查询工具! 中文字典英文字典工具:
复制到剪贴板
英文字典中文字典相关资料:
Microsoft Outlook Personal Email and Calendar | Microsoft 365 Sign in to your account - Outlook Create your Microsoft account Outlook help learning - support. microsoft. com Sign in to your account - outlook. office. com Outlook Log In | Microsoft 365 Outlook Sign in to your account - outlook. office365. com. mcas. ms Sign in to your account - Outlook